Home / 5,398.13-7,449.44-3,040.31

Finding the Fourth Proportional to 5,398.13, 7,449.44 and 3,040.31

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Solution

The fourth proportional to 5,398.13, 7,449.44 and 3,040.31 is: 4,195.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.13 : 7,449.44 = 3,040.31 : x
  2. Step 2: Convert to fraction form
    5,398.13/7,449.44 = 3,040.31/x
  3. Step 3: Cross multiply
    5,398.13x = 7,449.44 × 3,040.31
  4. Step 4: Simplify right side
    5,398.13x = 22,648,606.93
  5. Step 5: Solve for x
    x = 22,648,606.93/5,398.13
  6. Step 6: Final answer
    x = 4,195.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.